Installation - Komatsu 830E Shop Manual

5. Pull straight out on outer wheel assembly and
remove.
6. If inner wheel removal is necessary, remove
spacer (6, Figure 2-4) by pulling straight out and
removing from rear hub. (Refer to Figure 2-6.)
NOTE: Use care when removing spacer and inner
wheel so as not to damage tire inflation extension
tube.
7. Secure tire handler (or lifting device) to inner
wheel and pull straight out to remove from
wheel hub.

Installation

NOTE: Clean all mating surfaces before installing
wheel assembly.
1. Attach tire handler (or lifting device) to inner
dual and install inner dual onto wheel motor
hub. Use care not to damage tire inflation
extension line.
NOTE: During inner wheel installation be sure air
inflation line lays in channel on wheel hub assembly.
2. Using a lifting device, install spacer (6, Figure 2-
4) onto wheel motor hub. Tap spacer up against
inner dual.
3. Attach tire handler to outer dual and position
onto wheel motor hub.
FIGURE 2-5. TIRE LIFTING SLING
(BODY REMOVED)
G2-4
Due to its size and weight, always keep person-
nel away from a wheel assembly when it is being
removed and installed.
NOTE: Be sure to position outer dual wheel so that
tire valve bracket aligns with inner wheel inflation
line.
4. Install wedges onto studs and secure in place
with lubricated wheel nuts. Evenly tighten each
nut in an alternating (criss-cross) pattern as
shown in Figure 2-7) to 300 ft.lbs (407 N.m)
torque.
5. Spin the wheel and check rim run-out. Maximum
run-out is 0.20 in. (5mm). If run-out exceeds
specifications, then loosen all the nuts and re-
tighten them evenly as shown in Figure 2-7.
6. If run-out is OK, then tighten each nut in as
shown in Figure 2-7 to 550 ft. lbs. (746 N.m)
torque.
FIGURE 2-6. INNER TIRE REMOVAL AND
Tires and Rims
INSTALLATION
04/03 G02004